Home / 186,535.95-257,236.73-118,434.69

Finding the Fourth Proportional to 186,535.95, 257,236.73 and 118,434.69

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Solution

The fourth proportional to 186,535.95, 257,236.73 and 118,434.69 is: 163,323.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,535.95 : 257,236.73 = 118,434.69 : x
  2. Step 2: Convert to fraction form
    186,535.95/257,236.73 = 118,434.69/x
  3. Step 3: Cross multiply
    186,535.95x = 257,236.73 × 118,434.69
  4. Step 4: Simplify right side
    186,535.95x = 30,465,752,374.16
  5. Step 5: Solve for x
    x = 30,465,752,374.16/186,535.95
  6. Step 6: Final answer
    x = 163,323.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.